Firing Tables. Howitzer, Medium, Towed, 155 mm, M114A1 and M114,. Howitzer, Medium, Self-Propelled, Full-Tracked, 155 mm, M44A1 an M44. Howitzer, Medium Towed, Auxiliairy Propelled, 155 … united states. 90th congress, 1st sess., 1947. house. report Italian crisis and interim aid : Preliminary report one, Subcommittee on Italy, Greece, and Trieste, approved by House Select Committee on Foreign Aid persuant to …